Hallmark Mobile Greetings works on popular phones in the United States from AT&T, Sprint/Nextel, T-Mobile®, and Verizon Wireless with more devices and carriers being added all the time. Available on popular phones in Canada from Aliant Mobility, Bell Mobility, Fido, NorthernTel Mobility, Rogers Wireless, SaskTel Mobility, Télébec Mobilité, TELUS Mobility, and Virgin Mobile Canada